What was found
MCN - MAJOR REPAIR - DURING C-16 CHECK A 1" CRACK WAS FOUND ON AFT CARGO DOOR FORWARD UPPER FRAME BETWEEN THE 3RD AND 4TH STOP FITTINGS, BS 802, RBL 46. MAINTENANCE REMOVED AFT CARGO DOOR FORWARD UPPER FRAME, FABRICATED A NEW SECTION OF FRAME, AND INSTALLED REPAIR IAW SRM 52-30-02, PG. 106, FIG. 101, SRM 51-40-02, PG. 2-4, & 10, AND SRM 51-10-02, PG. 12, 15-16.